(svn r16613) -Fix [NewGRF]: some of the var action 2 80+ variables contained wrong results due to OpenTTD codechanges

src/order_base.h

@@ -232,6 +232,13 @@ public:
 	 */
 	uint32 Pack() const;
 
+	/**
+	 * Pack this order into a 16 bits integer as close to the TTD
+	 * representation as possible.
+	 * @return the TTD-like packed representation.
+	 */
+	uint16 MapOldOrder() const;
+
 	/**
 	 * Converts this order from an old savegame's version;
 	 * it moves all bits to the new location.